CVE-2019-17222 : Vulnerability Insights and Analysis

A vulnerability was found on Intelbras WRN 150 1.0.17 devices, leading to a denial of service due to a stored XSS flaw in the Service Name tab of the WAN configuration screen.

Understanding CVE-2019-17222

This CVE identifies a security issue affecting Intelbras WRN 150 1.0.17 devices.

What is CVE-2019-17222?

CVE-2019-17222 is a stored XSS vulnerability in the Service Name tab of the WAN configuration screen on Intelbras WRN 150 1.0.17 devices. This flaw can be exploited to cause a denial of service by preventing configuration changes.

The Impact of CVE-2019-17222

The vulnerability can lead to a denial of service on affected devices, potentially disrupting network configuration changes.

Technical Details of CVE-2019-17222

This section provides more technical insights into the vulnerability.

Vulnerability Description

The Service Name tab of the WAN configuration screen on Intelbras WRN 150 1.0.17 devices is susceptible to stored XSS, allowing attackers to disrupt configuration changes.

Affected Systems and Versions

Affected Systems: Intelbras WRN 150 1.0.17 devices
Affected Versions: 1.0.17

Exploitation Mechanism

Attackers can exploit the stored XSS flaw in the Service Name tab to inject malicious scripts, leading to a denial of service by preventing configuration modifications.

Mitigation and Prevention

Protecting systems from CVE-2019-17222 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote access to the WAN configuration interface if not required
Regularly monitor and review configuration settings for unauthorized changes

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks
Educate users on safe browsing habits and the risks of clicking on unknown links

Patching and Updates

Apply security patches and firmware updates provided by Intelbras to address the vulnerability